The reason you do not leave them on the same side is, they will build up muscles on one side of the neck and not on the other. It will not be so bad if you ride them. I have always had the problem, that my pair are not big enough to ride. _________________________________________________________ To Unsubscribe, change to Digest or Vacation mode go to: http://www.drivingpairs.com/dpmem.shtml `````````````````````````````````````````````````````````